Description:
When user writes multi language documents it is almost impossible to spell check. Especially in technical documents user needs to mix all the time words in his/her native language plus many words in other language i.e. english. So you either have to choose for each word word the proper language or you will see a text with countless red lines which are supposed to be errors but they are not. MS Word has this problem solved for ages as it automatically understands multi language text. It is high time for libre office to achieve same functionality...  

Steps to Reproduce:
1. write multi language text with mixed wording
2. enjoy countless red lines...

Actual Results:
See Steps to Reproduce

Expected Results:
User should be able some how to type multi language text and be spell checked without problems.


Reproducible: Always


User Profile Reset: Yes

Additional Info:
MS word achieves multi language spell checking for ages.